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Explain of Gastrointestinal Pathology

106.Colon, adenomatous polyp (tubular adenoma) compared to normal mucosa, medium power microscopic

A microscopic comparison of normal colonic mucosa on the left and that of an adenomatous polyp (tubular adenoma) on the right is seen here. The neoplastic glands are more irregular with darker (hyperchromatic) and more crowded nuclei. This neoplasm is benign and well-differentiated, as it still closely resembles the normal colonic structure.

（本图片资料来源自美国犹他大学）